Cushman J A <br/><br/>
Foraminifera: Their classification and economic use 
Cushman J A 
 -  1948 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>52075 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H6212, H8